Back pain is as common as it is complicated, and easy fixes are hard to find. Shedding light on this universal ailment, Dr. Jen Gunter shares five things we should all know about back pain, including possible causes, over-hyped treatments to avoid as well as research-backed therapies to talk to your doctor about in order to find some relief. For more on how your body works, tune in weekly to her podcast Body Stuff with Dr. Jen Gunter, from the TED Audio Collective.